1980422758 has 16 divisors (see below), whose sum is σ = 2980193760. Its totient is φ = 987031296.

The previous prime is 1980422723. The next prime is 1980422771. The reversal of 1980422758 is 8572240891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166166 + ... + 1167862.

It is an arithmetic number, because the mean of its divisors is an integer number (186262110).

Almost surely, 2^1980422758 is an apocalyptic number.

1980422758 is a deficient number, since it is larger than the sum of its proper divisors (999771002).

1980422758 is a wasteful number, since it uses less digits than its factorization.

1980422758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 1980422758 is about 44501.9410587898. The cubic root of 1980422758 is about 1255.7965997015.

The spelling of 1980422758 in words is "one billion, nine hundred eighty million, four hundred twenty-two thousand, seven hundred fifty-eight".